For information about the difference between sex and gender ... while Viagra can last up to 5 hours. Tadalafil and sildenafil (Viagra, Revatio) are very alike in terms of the conditions they ...

Vardenafil typically starts working faster, around 15 to 30 minutes after ingestion, while sildenafil may take 30 to 60 ...

In addition to Viagra, Rex MD offers brand-name Cialis and generic Cialis (tadalafil). Both Viagra and sildenafil are available in 25-, 50-, and 100-mg doses. Rex MD has a rating of 4.5 out of 5 ...

ED treatment from Roman that does just that. It combiness FDA-approved active ingredients to give individuals the fast-acting ...